Index: llvm/trunk/lib/Target/AVR/AVR.td =================================================================== --- llvm/trunk/lib/Target/AVR/AVR.td +++ llvm/trunk/lib/Target/AVR/AVR.td @@ -0,0 +1,563 @@ +//===-- AVR.td - Describe the AVR Target Machine ----------*- tablegen -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===---------------------------------------------------------------------===// +// This is the top level entry point for the AVR target. +//===---------------------------------------------------------------------===// + +//===---------------------------------------------------------------------===// +// Target-independent interfaces which we are implementing +//===---------------------------------------------------------------------===// + +include "llvm/Target/Target.td" + +//===---------------------------------------------------------------------===// +// AVR Subtarget Features. +//===---------------------------------------------------------------------===// + +// :TODO: Implement the skip errata, see `gcc/config/avr/avr-arch.h` for details +// :TODO: We define all devices with SRAM to have all variants of LD/ST/LDD/STD. +// In reality, avr1 (no SRAM) has one variant each of `LD` and `ST`. +// avr2 (with SRAM) adds the rest of the variants. +// :TODO: s/AVRTiny/Tiny + + +// A feature set aggregates features, grouping them. We don't want to create a +// new member in AVRSubtarget (to store a value) for each set because we do not +// care if the set is supported, only the subfeatures inside the set. We fix +// this by simply setting the same dummy member for all feature sets, which is +// then ignored. +class FeatureSet i> + : SubtargetFeature; + +// A family of microcontrollers, defining a set of supported features. +class Family i> + : FeatureSet; + +// The device has SRAM, and supports the bare minimum of +// SRAM-relevant instructions. +// +// These are: +// LD - all 9 variants +// ST - all 9 variants +// LDD - two variants for Y and Z +// STD - two variants for Y and Z +// `LDS Rd, K` +// `STS k, Rr` +// `PUSH`/`POP` +def FeatureSRAM : SubtargetFeature<"sram", "m_hasSRAM", "true", + "The device has random access memory">; + +// The device supports the `JMP k` and `CALL k` instructions. +def FeatureJMPCALL : SubtargetFeature<"jmpcall", "m_hasJMPCALL", "true", + "The device supports the `JMP` and " + "`CALL` instructions">; + + +// The device supports the indirect branches `IJMP` and `ICALL`. +def FeatureIJMPCALL : SubtargetFeature<"ijmpcall", "m_hasIJMPCALL", + "true", + "The device supports `IJMP`/`ICALL`" + "instructions">; + +// The device supports the extended indirect branches `EIJMP` and `EICALL`. +def FeatureEIJMPCALL : SubtargetFeature<"eijmpcall", "m_hasEIJMPCALL", + "true", "The device supports the " + "`EIJMP`/`EICALL` instructions">; + +// The device supports `ADDI Rd, K`, `SUBI Rd, K`. +def FeatureADDSUBIW : SubtargetFeature<"addsubiw", "m_hasADDSUBIW", + "true", "Enable 16-bit register-immediate " + "addition and subtraction instructions">; + +// The device has an 8-bit stack pointer (SP) register. +def FeatureSmallStack : SubtargetFeature<"smallstack", "m_hasSmallStack", + "true", "The device has an 8-bit " + "stack pointer">; + +// The device supports the 16-bit GPR pair MOVW instruction. +def FeatureMOVW : SubtargetFeature<"movw", "m_hasMOVW", "true", + "The device supports the 16-bit MOVW " + "instruction">; + +// The device supports the `LPM` instruction, with implied destination being r0. +def FeatureLPM : SubtargetFeature<"lpm", "m_hasLPM", "true", + "The device supports the `LPM` instruction">; + +// The device supports the `LPM Rd, Z[+] instruction. +def FeatureLPMX : SubtargetFeature<"lpmx", "m_hasLPMX", "true", + "The device supports the `LPM Rd, Z[+]` " + "instruction">; + +// The device supports the `ELPM` instruction. +def FeatureELPM : SubtargetFeature<"elpm", "m_hasELPM", "true", + "The device supports the ELPM instruction">; + +// The device supports the `ELPM Rd, Z[+]` instructions. +def FeatureELPMX : SubtargetFeature<"elpmx", "m_hasELPMX", "true", + "The device supports the `ELPM Rd, Z[+]` " + "instructions">; + +// The device supports the `SPM` instruction. +def FeatureSPM : SubtargetFeature<"spm", "m_hasSPM", "true", + "The device supports the `SPM` instruction">; + +// The device supports the `SPM Z+` instruction. +def FeatureSPMX : SubtargetFeature<"spmx", "m_hasSPMX", "true", + "The device supports the `SPM Z+` " + "instruction">; + +// The device supports the `DES k` instruction. +def FeatureDES : SubtargetFeature<"des", "m_hasDES", "true", + "The device supports the `DES k` encryption " + "instruction">; + +// The device supports the Read-Write-Modify instructions +// XCH, LAS, LAC, and LAT. +def FeatureRMW : SubtargetFeature<"rmw", "m_supportsRMW", "true", + "The device supports the read-write-modify " + "instructions: XCH, LAS, LAC, LAT">; + +// The device supports the `[F]MUL[S][U]` family of instructions. +def FeatureMultiplication : SubtargetFeature<"mul", "m_supportsMultiplication", + "true", "The device supports the " + "multiplication instructions">; + +// The device supports the `BREAK` instruction. +def FeatureBREAK : SubtargetFeature<"break", "m_hasBREAK", "true", + "The device supports the `BREAK` debugging " + "instruction">; + +// The device has instruction encodings specific to the Tiny core. +def FeatureTinyEncoding : SubtargetFeature<"tinyencoding", + "m_hasTinyEncoding", "true", + "The device has Tiny core specific " + "instruction encodings">; + +class ELFArch : SubtargetFeature<"", "ELFArch", + !strconcat("ELF::",name), "">; + +// ELF e_flags architecture values +def ELFArchAVR1 : ELFArch<"EF_AVR_ARCH_AVR1">; +def ELFArchAVR2 : ELFArch<"EF_AVR_ARCH_AVR2">; +def ELFArchAVR25 : ELFArch<"EF_AVR_ARCH_AVR25">; +def ELFArchAVR3 : ELFArch<"EF_AVR_ARCH_AVR3">; +def ELFArchAVR31 : ELFArch<"EF_AVR_ARCH_AVR31">; +def ELFArchAVR35 : ELFArch<"EF_AVR_ARCH_AVR35">; +def ELFArchAVR4 : ELFArch<"EF_AVR_ARCH_AVR4">; +def ELFArchAVR5 : ELFArch<"EF_AVR_ARCH_AVR5">; +def ELFArchAVR51 : ELFArch<"EF_AVR_ARCH_AVR51">; +def ELFArchAVR6 : ELFArch<"EF_AVR_ARCH_AVR6">; +def ELFArchAVRTiny : ELFArch<"EF_AVR_ARCH_AVRTINY">; +def ELFArchXMEGA1 : ELFArch<"EF_AVR_ARCH_XMEGA1">; +def ELFArchXMEGA2 : ELFArch<"EF_AVR_ARCH_XMEGA2">; +def ELFArchXMEGA3 : ELFArch<"EF_AVR_ARCH_XMEGA3">; +def ELFArchXMEGA4 : ELFArch<"EF_AVR_ARCH_XMEGA4">; +def ELFArchXMEGA5 : ELFArch<"EF_AVR_ARCH_XMEGA5">; +def ELFArchXMEGA6 : ELFArch<"EF_AVR_ARCH_XMEGA6">; +def ELFArchXMEGA7 : ELFArch<"EF_AVR_ARCH_XMEGA7">; + +//===---------------------------------------------------------------------===// +// AVR Families +//===---------------------------------------------------------------------===// + +// The device has at least the bare minimum that **every** single AVR +// device should have. +def FamilyAVR0 : Family<"avr0", []>; + +def FamilyAVR1 : Family<"avr1", [FamilyAVR0, FeatureLPM]>; + +def FamilyAVR2 : Family<"avr2", + [FamilyAVR1, FeatureIJMPCALL, FeatureADDSUBIW, + FeatureSRAM]>; + +def FamilyAVR25 : Family<"avr25", + [FamilyAVR2, FeatureMOVW, FeatureLPMX, + FeatureSPM, FeatureBREAK]>; + +def FamilyAVR3 : Family<"avr3", + [FamilyAVR2, FeatureJMPCALL]>; + +def FamilyAVR31 : Family<"avr31", + [FamilyAVR3, FeatureELPM]>; + +def FamilyAVR35 : Family<"avr35", + [FamilyAVR3, FeatureMOVW, FeatureLPMX, + FeatureSPM, FeatureBREAK]>; + +def FamilyAVR4 : Family<"avr4", + [FamilyAVR2, FeatureMultiplication, + FeatureMOVW, FeatureLPMX, FeatureSPM, + FeatureBREAK]>; + +def FamilyAVR5 : Family<"avr5", + [FamilyAVR3, FeatureMultiplication, + FeatureMOVW, FeatureLPMX, FeatureSPM, + FeatureBREAK]>; + +def FamilyAVR51 : Family<"avr51", + [FamilyAVR5, FeatureELPM, FeatureELPMX]>; + +def FamilyAVR6 : Family<"avr6", + [FamilyAVR51]>; + +def FamilyAVRTiny : Family<"avrtiny", + [FamilyAVR0, FeatureBREAK, FeatureSRAM, + FeatureTinyEncoding]>; + +def FamilyXMEGA : Family<"xmega", + [FamilyAVR51, FeatureEIJMPCALL, FeatureSPMX, + FeatureDES]>; + +def FamilyXMEGAU : Family<"xmegau", + [FamilyXMEGA, FeatureRMW]>; + +def FeatureSetSpecial : FeatureSet<"special", + "Enable use of the entire instruction " + "set - used for debugging", + [FeatureSRAM, FeatureJMPCALL, + FeatureIJMPCALL, FeatureEIJMPCALL, + FeatureADDSUBIW, FeatureMOVW, + FeatureLPM, FeatureLPMX, FeatureELPM, + FeatureELPMX, FeatureSPM, FeatureSPMX, + FeatureDES, FeatureRMW, + FeatureMultiplication, FeatureBREAK]>; + +//===---------------------------------------------------------------------===// +// AVR microcontrollers supported. +//===---------------------------------------------------------------------===// + +class Device ExtraFeatures = []> + : Processor; + +// Generic MCUs +// Note that several versions of GCC has strange ELF architecture +// settings for backwards compatibility - see `gas/config/tc-avr.c` +// in AVR binutils. We do not replicate this. +def : Device<"avr1", FamilyAVR1, ELFArchAVR1>; +def : Device<"avr2", FamilyAVR2, ELFArchAVR2>; +def : Device<"avr25", FamilyAVR25, ELFArchAVR25>; +def : Device<"avr3", FamilyAVR3, ELFArchAVR3>; +def : Device<"avr31", FamilyAVR31, ELFArchAVR31>; +def : Device<"avr35", FamilyAVR35, ELFArchAVR35>; +def : Device<"avr4", FamilyAVR4, ELFArchAVR4>; +def : Device<"avr5", FamilyAVR5, ELFArchAVR5>; +def : Device<"avr51", FamilyAVR51, ELFArchAVR51>; +def : Device<"avr6", FamilyAVR6, ELFArchAVR6>; +def : Device<"avrxmega1", FamilyXMEGA, ELFArchXMEGA1>; +def : Device<"avrxmega2", FamilyXMEGA, ELFArchXMEGA2>; +def : Device<"avrxmega3", FamilyXMEGA, ELFArchXMEGA3>; +def : Device<"avrxmega4", FamilyXMEGA, ELFArchXMEGA4>; +def : Device<"avrxmega5", FamilyXMEGA, ELFArchXMEGA5>; +def : Device<"avrxmega6", FamilyXMEGA, ELFArchXMEGA6>; +def : Device<"avrxmega7", FamilyXMEGA, ELFArchXMEGA7>; +def : Device<"avrtiny", FamilyAVRTiny, ELFArchAVRTiny>; + +// Specific MCUs +def : Device<"at90s1200", FamilyAVR0, ELFArchAVR1>; +def : Device<"attiny11", FamilyAVR1, ELFArchAVR1>; +def : Device<"attiny12", FamilyAVR1, ELFArchAVR1>; +def : Device<"attiny15", FamilyAVR1, ELFArchAVR1>; +def : Device<"attiny28", FamilyAVR1, ELFArchAVR1>; +def : Device<"at90s2313", FamilyAVR2, ELFArchAVR2>; +def : Device<"at90s2323", FamilyAVR2, ELFArchAVR2>; +def : Device<"at90s2333", FamilyAVR2, ELFArchAVR2>; +def : Device<"at90s2343", FamilyAVR2, ELFArchAVR2>; +def : Device<"attiny22", FamilyAVR2, ELFArchAVR2>; +def : Device<"attiny26", FamilyAVR2, ELFArchAVR2, [FeatureLPMX]>; +def : Device<"at86rf401", FamilyAVR2, ELFArchAVR25, + [FeatureMOVW, FeatureLPMX]>; +def : Device<"at90s4414", FamilyAVR2, ELFArchAVR2>; +def : Device<"at90s4433", FamilyAVR2, ELFArchAVR2>; +def : Device<"at90s4434", FamilyAVR2, ELFArchAVR2>; +def : Device<"at90s8515", FamilyAVR2, ELFArchAVR2>; +def : Device<"at90c8534", FamilyAVR2, ELFArchAVR2>; +def : Device<"at90s8535", FamilyAVR2, ELFArchAVR2>; +def : Device<"ata5272", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny13", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny13a", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny2313", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny2313a", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny24", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny24a", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny4313", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny44", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny44a", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny84", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny84a", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny25", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny45", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny85", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny261", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny261a", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny461", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny461a", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny861", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny861a", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny87", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny43u", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny48", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny88", FamilyAVR25, ELFArchAVR25>; +def : Device<"attiny828", FamilyAVR25, ELFArchAVR25>; +def : Device<"at43usb355", FamilyAVR3, ELFArchAVR3>; +def : Device<"at76c711", FamilyAVR3, ELFArchAVR3>; +def : Device<"atmega103", FamilyAVR31, ELFArchAVR31>; +def : Device<"at43usb320", FamilyAVR31, ELFArchAVR31>; +def : Device<"attiny167", FamilyAVR35, ELFArchAVR35>; +def : Device<"at90usb82", FamilyAVR35, ELFArchAVR35>; +def : Device<"at90usb162", FamilyAVR35, ELFArchAVR35>; +def : Device<"ata5505", FamilyAVR35, ELFArchAVR35>; +def : Device<"atmega8u2", FamilyAVR35, ELFArchAVR35>; +def : Device<"atmega16u2", FamilyAVR35, ELFArchAVR35>; +def : Device<"atmega32u2", FamilyAVR35, ELFArchAVR35>; +def : Device<"attiny1634", FamilyAVR35, ELFArchAVR35>; +def : Device<"atmega8", FamilyAVR4, ELFArchAVR4>; // FIXME: family may be wrong +def : Device<"ata6289", FamilyAVR4, ELFArchAVR4>; +def : Device<"atmega8a", FamilyAVR4, ELFArchAVR4>; +def : Device<"ata6285", FamilyAVR4, ELFArchAVR4>; +def : Device<"ata6286", FamilyAVR4, ELFArchAVR4>; +def : Device<"atmega48", FamilyAVR4, ELFArchAVR4>; +def : Device<"atmega48a", FamilyAVR4, ELFArchAVR4>; +def : Device<"atmega48pa", FamilyAVR4, ELFArchAVR4>; +def : Device<"atmega48p", FamilyAVR4, ELFArchAVR4>; +def : Device<"atmega88", FamilyAVR4, ELFArchAVR4>; +def : Device<"atmega88a", FamilyAVR4, ELFArchAVR4>; +def : Device<"atmega88p", FamilyAVR4, ELFArchAVR4>; +def : Device<"atmega88pa", FamilyAVR4, ELFArchAVR4>; +def : Device<"atmega8515", FamilyAVR2, ELFArchAVR4, + [FeatureMultiplication, FeatureMOVW, FeatureLPMX, FeatureSPM]>; +def : Device<"atmega8535", FamilyAVR2, ELFArchAVR4, + [FeatureMultiplication, FeatureMOVW, FeatureLPMX, FeatureSPM]>; +def : Device<"atmega8hva", FamilyAVR4, ELFArchAVR4>; +def : Device<"at90pwm1", FamilyAVR4, ELFArchAVR4>; +def : Device<"at90pwm2", FamilyAVR4, ELFArchAVR4>; +def : Device<"at90pwm2b", FamilyAVR4, ELFArchAVR4>; +def : Device<"at90pwm3", FamilyAVR4, ELFArchAVR4>; +def : Device<"at90pwm3b", FamilyAVR4, ELFArchAVR4>; +def : Device<"at90pwm81", FamilyAVR4, ELFArchAVR4>; +def : Device<"ata5790", FamilyAVR5, ELFArchAVR5>; +def : Device<"ata5795", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega16", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega16a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega161", FamilyAVR3, ELFArchAVR5, + [FeatureMultiplication, FeatureMOVW, FeatureLPMX, FeatureSPM]>; +def : Device<"atmega162", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega163", FamilyAVR3, ELFArchAVR5, + [FeatureMultiplication, FeatureMOVW, FeatureLPMX, FeatureSPM]>; +def : Device<"atmega164a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega164p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega164pa", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega165", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega165a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega165p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega165pa", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega168", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega168a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega168p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega168pa", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega169", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega169a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega169p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega169pa", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega32", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega32a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega323", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega324a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega324p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega324pa", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega325", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega325a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega325p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega325pa", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega3250", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega3250a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega3250p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega3250pa", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega328", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega328p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega329", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega329a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega329p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega329pa", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega3290", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega3290a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega3290p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega3290pa", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega406", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega64", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega64a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega640", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega644", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega644a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega644p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega644pa", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega645", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega645a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega645p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega649", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega649a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega649p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega6450", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega6450a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega6450p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega6490", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega6490a", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega6490p", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega64rfr2", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega644rfr2", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega16hva", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega16hva2", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega16hvb", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega16hvbrevb", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega32hvb", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega32hvbrevb", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega64hve", FamilyAVR5, ELFArchAVR5>; +def : Device<"at90can32", FamilyAVR5, ELFArchAVR5>; +def : Device<"at90can64", FamilyAVR5, ELFArchAVR5>; +def : Device<"at90pwm161", FamilyAVR5, ELFArchAVR5>; +def : Device<"at90pwm216", FamilyAVR5, ELFArchAVR5>; +def : Device<"at90pwm316", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega32c1", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega64c1", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega16m1", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega32m1", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega64m1", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega16u4", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega32u4", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega32u6", FamilyAVR5, ELFArchAVR5>; +def : Device<"at90usb646", FamilyAVR5, ELFArchAVR5>; +def : Device<"at90usb647", FamilyAVR5, ELFArchAVR5>; +def : Device<"at90scr100", FamilyAVR5, ELFArchAVR5>; +def : Device<"at94k", FamilyAVR3, ELFArchAVR5, + [FeatureMultiplication, FeatureMOVW, FeatureLPMX]>; +def : Device<"m3000", FamilyAVR5, ELFArchAVR5>; +def : Device<"atmega128", FamilyAVR51, ELFArchAVR51>; +def : Device<"atmega128a", FamilyAVR51, ELFArchAVR51>; +def : Device<"atmega1280", FamilyAVR51, ELFArchAVR51>; +def : Device<"atmega1281", FamilyAVR51, ELFArchAVR51>; +def : Device<"atmega1284", FamilyAVR51, ELFArchAVR51>; +def : Device<"atmega1284p", FamilyAVR51, ELFArchAVR51>; +def : Device<"atmega128rfa1", FamilyAVR51, ELFArchAVR51>; +def : Device<"atmega128rfr2", FamilyAVR51, ELFArchAVR51>; +def : Device<"atmega1284rfr2", FamilyAVR51, ELFArchAVR51>; +def : Device<"at90can128", FamilyAVR51, ELFArchAVR51>; +def : Device<"at90usb1286", FamilyAVR51, ELFArchAVR51>; +def : Device<"at90usb1287", FamilyAVR51, ELFArchAVR51>; +def : Device<"atmega2560", FamilyAVR6, ELFArchAVR6>; +def : Device<"atmega2561", FamilyAVR6, ELFArchAVR6>; +def : Device<"atmega256rfr2", FamilyAVR6, ELFArchAVR6>; +def : Device<"atmega2564rfr2", FamilyAVR6, ELFArchAVR6>; +def : Device<"atxmega16a4", FamilyXMEGA, ELFArchXMEGA2>; +def : Device<"atxmega16a4u", FamilyXMEGAU, ELFArchXMEGA2>; +def : Device<"atxmega16c4", FamilyXMEGAU, ELFArchXMEGA2>; +def : Device<"atxmega16d4", FamilyXMEGA, ELFArchXMEGA2>; +def : Device<"atxmega32a4", FamilyXMEGA, ELFArchXMEGA2>; +def : Device<"atxmega32a4u", FamilyXMEGAU, ELFArchXMEGA2>; +def : Device<"atxmega32c4", FamilyXMEGAU, ELFArchXMEGA2>; +def : Device<"atxmega32d4", FamilyXMEGA, ELFArchXMEGA2>; +def : Device<"atxmega32e5", FamilyXMEGA, ELFArchXMEGA2>; +def : Device<"atxmega16e5", FamilyXMEGA, ELFArchXMEGA2>; +def : Device<"atxmega8e5", FamilyXMEGA, ELFArchXMEGA2>; +def : Device<"atxmega32x1", FamilyXMEGA, ELFArchXMEGA2>; +def : Device<"atxmega64a3", FamilyXMEGA, ELFArchXMEGA4>; +def : Device<"atxmega64a3u", FamilyXMEGAU, ELFArchXMEGA4>; +def : Device<"atxmega64a4u", FamilyXMEGAU, ELFArchXMEGA4>; +def : Device<"atxmega64b1", FamilyXMEGAU, ELFArchXMEGA4>; +def : Device<"atxmega64b3", FamilyXMEGAU, ELFArchXMEGA4>; +def : Device<"atxmega64c3", FamilyXMEGAU, ELFArchXMEGA4>; +def : Device<"atxmega64d3", FamilyXMEGA, ELFArchXMEGA4>; +def : Device<"atxmega64d4", FamilyXMEGA, ELFArchXMEGA4>; +def : Device<"atxmega64a1", FamilyXMEGA, ELFArchXMEGA5>; +def : Device<"atxmega64a1u", FamilyXMEGAU, ELFArchXMEGA5>; +def : Device<"atxmega128a3", FamilyXMEGA, ELFArchXMEGA6>; +def : Device<"atxmega128a3u", FamilyXMEGAU, ELFArchXMEGA6>; +def : Device<"atxmega128b1", FamilyXMEGAU, ELFArchXMEGA6>; +def : Device<"atxmega128b3", FamilyXMEGAU, ELFArchXMEGA6>; +def : Device<"atxmega128c3", FamilyXMEGAU, ELFArchXMEGA6>; +def : Device<"atxmega128d3", FamilyXMEGA, ELFArchXMEGA6>; +def : Device<"atxmega128d4", FamilyXMEGA, ELFArchXMEGA6>; +def : Device<"atxmega192a3", FamilyXMEGA, ELFArchXMEGA6>; +def : Device<"atxmega192a3u", FamilyXMEGAU, ELFArchXMEGA6>; +def : Device<"atxmega192c3", FamilyXMEGAU, ELFArchXMEGA6>; +def : Device<"atxmega192d3", FamilyXMEGA, ELFArchXMEGA6>; +def : Device<"atxmega256a3", FamilyXMEGA, ELFArchXMEGA6>; +def : Device<"atxmega256a3u", FamilyXMEGAU, ELFArchXMEGA6>; +def : Device<"atxmega256a3b", FamilyXMEGA, ELFArchXMEGA6>; +def : Device<"atxmega256a3bu", FamilyXMEGAU, ELFArchXMEGA6>; +def : Device<"atxmega256c3", FamilyXMEGAU, ELFArchXMEGA6>; +def : Device<"atxmega256d3", FamilyXMEGA, ELFArchXMEGA6>; +def : Device<"atxmega384c3", FamilyXMEGAU, ELFArchXMEGA6>; +def : Device<"atxmega384d3", FamilyXMEGA, ELFArchXMEGA6>; +def : Device<"atxmega128a1", FamilyXMEGA, ELFArchXMEGA7>; +def : Device<"atxmega128a1u", FamilyXMEGAU, ELFArchXMEGA7>; +def : Device<"atxmega128a4u", FamilyXMEGAU, ELFArchXMEGA7>; +def : Device<"attiny4", FamilyAVRTiny, ELFArchAVRTiny>; +def : Device<"attiny5", FamilyAVRTiny, ELFArchAVRTiny>; +def : Device<"attiny9", FamilyAVRTiny, ELFArchAVRTiny>; +def : Device<"attiny10", FamilyAVRTiny, ELFArchAVRTiny>; +def : Device<"attiny20", FamilyAVRTiny, ELFArchAVRTiny>; +def : Device<"attiny40", FamilyAVRTiny, ELFArchAVRTiny>; + +//===---------------------------------------------------------------------===// +// Register File Description +//===---------------------------------------------------------------------===// + +include "AVRRegisterInfo.td" + +//===---------------------------------------------------------------------===// +// Instruction Descriptions +//===---------------------------------------------------------------------===// + +//include "AVRInstrInfo.td" + +//def AVRInstrInfo : InstrInfo; + +//===---------------------------------------------------------------------===// +// Calling Conventions +//===---------------------------------------------------------------------===// + +//include "AVRCallingConv.td" + +//===---------------------------------------------------------------------===// +// Assembly Printers +//===---------------------------------------------------------------------===// + +// def AVRAsmWriter : AsmWriter { +// string AsmWriterClassName = "InstPrinter"; +// bit isMCAsmWriter = 1; +// } + +//===---------------------------------------------------------------------===// +// Assembly Parsers +//===---------------------------------------------------------------------===// + +// def AVRAsmParser : AsmParser { +// let ShouldEmitMatchRegisterName = 1; +// let ShouldEmitMatchRegisterAltName = 1; +// } + +// def AVRAsmParserVariant : AsmParserVariant { +// int Variant = 0; +// +// // Recognize hard coded registers. +// string RegisterPrefix = "$"; +// } + +//===---------------------------------------------------------------------===// +// Target Declaration +//===---------------------------------------------------------------------===// + +def AVR : Target { +// let InstructionSet = AVRInstrInfo; +// let AssemblyWriters = [AVRAsmWriter]; +// +// let AssemblyParsers = [AVRAsmParser]; +// let AssemblyParserVariants = [AVRAsmParserVariant]; +} + Index: llvm/trunk/lib/Target/AVR/AVRRegisterInfo.td =================================================================== --- llvm/trunk/lib/Target/AVR/AVRRegisterInfo.td +++ llvm/trunk/lib/Target/AVR/AVRRegisterInfo.td @@ -0,0 +1,216 @@ +//===-- AVRRegisterInfo.td - AVR Register defs -------------*- tablegen -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +//===----------------------------------------------------------------------===// +// Declarations that describe the AVR register file +//===----------------------------------------------------------------------===// + +// 8-bit General purpose register definition. +class AVRReg num, + string name, + list subregs = [], + list altNames = []> + : RegisterWithSubRegs +{ + field bits<16> Num = num; + + let HWEncoding = num; + let Namespace = "AVR"; + let SubRegs = subregs; + let AltNames = altNames; +} + +// Subregister indices. +let Namespace = "AVR" in +{ + def sub_lo : SubRegIndex<8>; + def sub_hi : SubRegIndex<8, 8>; +} + +let Namespace = "AVR" in { + def ptr : RegAltNameIndex; +} + + +//===----------------------------------------------------------------------===// +// 8-bit general purpose registers +//===----------------------------------------------------------------------===// + +def R0 : AVRReg<0, "r0">, DwarfRegNum<[0]>; +def R1 : AVRReg<1, "r1">, DwarfRegNum<[1]>; +def R2 : AVRReg<2, "r2">, DwarfRegNum<[2]>; +def R3 : AVRReg<3, "r3">, DwarfRegNum<[3]>; +def R4 : AVRReg<4, "r4">, DwarfRegNum<[4]>; +def R5 : AVRReg<5, "r5">, DwarfRegNum<[5]>; +def R6 : AVRReg<6, "r6">, DwarfRegNum<[6]>; +def R7 : AVRReg<7, "r7">, DwarfRegNum<[7]>; +def R8 : AVRReg<8, "r8">, DwarfRegNum<[8]>; +def R9 : AVRReg<9, "r9">, DwarfRegNum<[9]>; +def R10 : AVRReg<10, "r10">, DwarfRegNum<[10]>; +def R11 : AVRReg<11, "r11">, DwarfRegNum<[11]>; +def R12 : AVRReg<12, "r12">, DwarfRegNum<[12]>; +def R13 : AVRReg<13, "r13">, DwarfRegNum<[13]>; +def R14 : AVRReg<14, "r14">, DwarfRegNum<[14]>; +def R15 : AVRReg<15, "r15">, DwarfRegNum<[15]>; +def R16 : AVRReg<16, "r16">, DwarfRegNum<[16]>; +def R17 : AVRReg<17, "r17">, DwarfRegNum<[17]>; +def R18 : AVRReg<18, "r18">, DwarfRegNum<[18]>; +def R19 : AVRReg<19, "r19">, DwarfRegNum<[19]>; +def R20 : AVRReg<20, "r20">, DwarfRegNum<[20]>; +def R21 : AVRReg<21, "r21">, DwarfRegNum<[21]>; +def R22 : AVRReg<22, "r22">, DwarfRegNum<[22]>; +def R23 : AVRReg<23, "r23">, DwarfRegNum<[23]>; +def R24 : AVRReg<24, "r24">, DwarfRegNum<[24]>; +def R25 : AVRReg<25, "r25">, DwarfRegNum<[25]>; +def R26 : AVRReg<26, "r26">, DwarfRegNum<[26]>; +def R27 : AVRReg<27, "r27">, DwarfRegNum<[27]>; +def R28 : AVRReg<28, "r28">, DwarfRegNum<[28]>; +def R29 : AVRReg<29, "r29">, DwarfRegNum<[29]>; +def R30 : AVRReg<30, "r30">, DwarfRegNum<[30]>; +def R31 : AVRReg<31, "r31">, DwarfRegNum<[31]>; +def SPL : AVRReg<32, "SPL">, DwarfRegNum<[32]>; +def SPH : AVRReg<33, "SPH">, DwarfRegNum<[33]>; + +let SubRegIndices = [sub_lo, sub_hi], +CoveredBySubRegs = 1 in +{ + // 16 bit GPR pairs. + def SP : AVRReg<32, "SP", [SPL, SPH]>, DwarfRegNum<[32]>; + + // The pointer registers (X,Y,Z) are a special case because they + // are printed as a `high:low` pair when a DREG is expected, + // but printed using `X`, `Y`, `Z` when a pointer register is expected. + let RegAltNameIndices = [ptr] in { + def R31R30 : AVRReg<30, "r31:r30", [R30, R31], ["Z"]>, DwarfRegNum<[30]>; + def R29R28 : AVRReg<28, "r29:r28", [R28, R29], ["Y"]>, DwarfRegNum<[28]>; + def R27R26 : AVRReg<26, "r27:r26", [R26, R27], ["X"]>, DwarfRegNum<[26]>; + } + def R25R24 : AVRReg<24, "r25:r24", [R24, R25]>, DwarfRegNum<[24]>; + def R23R22 : AVRReg<22, "r23:r22", [R22, R23]>, DwarfRegNum<[22]>; + def R21R20 : AVRReg<20, "r21:r20", [R20, R21]>, DwarfRegNum<[20]>; + def R19R18 : AVRReg<18, "r19:r18", [R18, R19]>, DwarfRegNum<[18]>; + def R17R16 : AVRReg<16, "r17:r16", [R16, R17]>, DwarfRegNum<[16]>; + def R15R14 : AVRReg<14, "r15:r14", [R14, R15]>, DwarfRegNum<[14]>; + def R13R12 : AVRReg<12, "r13:r12", [R12, R13]>, DwarfRegNum<[12]>; + def R11R10 : AVRReg<10, "r11:r10", [R10, R11]>, DwarfRegNum<[10]>; + def R9R8 : AVRReg<8, "r9:r8", [R8, R9]>, DwarfRegNum<[8]>; + def R7R6 : AVRReg<6, "r7:r6", [R6, R7]>, DwarfRegNum<[6]>; + def R5R4 : AVRReg<4, "r5:r4", [R4, R5]>, DwarfRegNum<[4]>; + def R3R2 : AVRReg<2, "r3:r2", [R2, R3]>, DwarfRegNum<[2]>; + def R1R0 : AVRReg<0, "r1:r0", [R0, R1]>, DwarfRegNum<[0]>; +} + +//===----------------------------------------------------------------------===// +// Register Classes +//===----------------------------------------------------------------------===// + +//:TODO: use proper set instructions instead of using always "add" + +// Main 8-bit register class. +def GPR8 : RegisterClass<"AVR", [i8], 8, + ( + // Return value and argument registers. + add R24, R25, R18, R19, R20, R21, R22, R23, + // Scratch registers. + R30, R31, R26, R27, + // Callee saved registers. + R28, R29, R17, R16, R15, R14, R13, R12, R11, R10, + R9, R8, R7, R6, R5, R4, R3, R2, R0, R1 + )>; + +// Simple lower registers r0..r15 +def GPR8lo : RegisterClass<"AVR", [i8], 8, + ( + add R15, R14, R13, R12, R11, R10, R9, R8, R7, R6, R5, R4, R3, R2, R0, R1 + )>; + +// 8-bit register class for instructions which take immediates. +def LD8 : RegisterClass<"AVR", [i8], 8, + ( + // Return value and arguments. + add R24, R25, R18, R19, R20, R21, R22, R23, + // Scratch registers. + R30, R31, R26, R27, + // Callee saved registers. + R28, R29, R17, R16 + )>; + +// Simple lower registers r16..r23 +def LD8lo : RegisterClass<"AVR", [i8], 8, + ( + add R23, R22, R21, R20, R19, R18, R17, R16 + )>; + +// Main 16-bit pair register class. +def DREGS : RegisterClass<"AVR", [i16], 8, + ( + // Return value and arguments. + add R25R24, R19R18, R21R20, R23R22, + // Scratch registers. + R31R30, R27R26, + // Callee saved registers. + R29R28, R17R16, R15R14, R13R12, R11R10, + R9R8, R7R6, R5R4, R3R2, R1R0 + )>; + +// 16-bit register class for immediate instructions. +def DLDREGS : RegisterClass<"AVR", [i16], 8, + ( + // Return value and arguments. + add R25R24, R19R18, R21R20, R23R22, + // Scratch registers. + R31R30, R27R26, + // Callee saved registers. + R29R28, R17R16 + )>; + +// 16-bit register class for the adiw/sbiw instructions. +def IWREGS : RegisterClass<"AVR", [i16], 8, + ( + // Return value and arguments. + add R25R24, + // Scratch registers. + R31R30, R27R26, + // Callee saved registers. + R29R28 + )>; + +// 16-bit register class for the ld and st instructions. +// AKA X,Y, and Z +def PTRREGS : RegisterClass<"AVR", [i16], 8, + ( + add R27R26, // X + R29R28, // Y + R31R30 // Z + ), ptr>; + +// 16-bit register class for the ldd and std instructions. +// AKA Y and Z. +def PTRDISPREGS : RegisterClass<"AVR", [i16], 8, + ( + add R31R30, R29R28 + ), ptr>; + +// We have a bunch of instructions with an explicit Z register argument. We +// model this using a register class containing only the Z register. +// :TODO: Rename to 'ZREG'. +def ZREGS : RegisterClass<"AVR", [i16], 8, (add R31R30)>; + +// Register class used for the stack read pseudo instruction. +def GPRSP: RegisterClass<"AVR", [i16], 8, (add SP)>; + +//:TODO: if we remove this we get an error in tablegen +//:TODO: this is just a hack, remove it once add16 works! +// Status register. +def SREG : AVRReg<14, "FLAGS">, DwarfRegNum<[88]>; +def CCR : RegisterClass<"AVR", [i8], 8, (add SREG)> +{ + let CopyCost = -1; // Don't allow copying of status registers +} + Index: llvm/trunk/lib/Target/AVR/CMakeLists.txt =================================================================== --- llvm/trunk/lib/Target/AVR/CMakeLists.txt +++ llvm/trunk/lib/Target/AVR/CMakeLists.txt @@ -1,4 +1,7 @@ +set(LLVM_TARGET_DEFINITIONS AVR.td) +tablegen(LLVM AVRGenRegisterInfo.inc -gen-register-info) +add_public_tablegen_target(AVRCommonTableGen) add_llvm_target(AVRCodeGen AVRTargetMachine.cpp Index: llvm/trunk/lib/Target/AVR/Makefile =================================================================== --- llvm/trunk/lib/Target/AVR/Makefile +++ llvm/trunk/lib/Target/AVR/Makefile @@ -12,7 +12,7 @@ TARGET = AVR # Make sure that tblgen is run, first thing. -BUILT_SOURCES = +BUILT_SOURCES = AVRGenRegisterInfo.inc DIRS = TargetInfo